Remove GYP files.

third_party/gif_player/gif_player.gyp

Index: third_party/gif_player/gif_player.gyp
diff --git a/third_party/gif_player/gif_player.gyp b/third_party/gif_player/gif_player.gyp
deleted file mode 100644
index 552c1ff8fe07e9abe51b7a877f69cd4104fc345e..0000000000000000000000000000000000000000
--- a/third_party/gif_player/gif_player.gyp
+++ /dev/null
@@ -1,17 +0,0 @@
-# Copyright (c) 2015 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-{
-  'targets': [
-    {
-      'target_name': 'gif_player_java',
-      'type': 'none',
-      'variables': {
-        'java_in_dir': './',
-        'run_findbugs': 0,
-      },
-      'includes': [ '../../build/java.gypi' ],
-    },
-  ],
-}